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Related Concept Videos

Parkinson Disease l: Introduction01:24

Parkinson Disease l: Introduction

Parkinson’s disease is a chronic, progressive neurodegenerative disorder that primarily affects movement. It is characterized by motor symptoms such as resting tremors, muscle rigidity, bradykinesia (slowness of movement), and postural instability. Patients may notice hand tremors at rest, stiffness during movement, or a shuffling gait. In addition to motor features, non-motor symptoms include sleep disturbances, mood and behavioral changes, constipation, and cognitive impairment, all of which...
Parkinson Disease ll: Pathophysiology01:24

Parkinson Disease ll: Pathophysiology

Parkinson disease (PD) is a progressive neurodegenerative disorder primarily affecting movement, with additional non-motor features. Its pathophysiology involves complex interactions among genetic susceptibility, environmental exposures, and cellular dysfunction, including dopaminergic neuron loss, protein aggregation, and mitochondrial impairment.Selective NeurodegenerationA key feature is the degeneration of dopaminergic neurons in the substantia nigra pars compacta, leading to reduced...
Neural Regulation01:37

Neural Regulation

Digestion begins with a cephalic phase that prepares the digestive system to receive food. When our brain processes visual or olfactory information about food, it triggers impulses in the cranial nerves innervating the salivary glands and stomach to prepare for food.
Parkinson's Disease: Overview01:15

Parkinson's Disease: Overview

Neurodegenerative disorders are progressive diseases that cause irreversible damage and loss to neurons in specific brain areas. Examples of these disorders include Parkinson's disease, Alzheimer's disease, Multiple Sclerosis (MS), and Amyotrophic Lateral Sclerosis (ALS). These disorders share characteristics such as proteinopathies, selective neuronal vulnerability, and a complex interplay between genetic and environmental factors. The primary therapeutic goal for these conditions is to...
Parkinson's Disease: Treatment01:24

Parkinson's Disease: Treatment

Neurodegenerative disorders, such as Parkinson's Disease (PD), involve the gradual and irreversible destruction of neurons in particular brain areas. These disorders exhibit standard features like proteinopathies, selective vulnerability of some neurons, and an interaction of intrinsic properties, genetics, and environmental influences in neural injury.
Parkinson's Disease is primarily a result of the loss of dopaminergic neurons in the substantia nigra pars compacta. The cornerstone of its...

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Related Experiment Video

Updated: Jul 13, 2026

Quantifying Levels of Dopaminergic Neuron Morphological Alteration and Degeneration in Caenorhabditis elegans
06:17

Quantifying Levels of Dopaminergic Neuron Morphological Alteration and Degeneration in Caenorhabditis elegans

Published on: November 20, 2021

C. elegans as a model system for Parkinson disease.

Pu Pu1, Wei-Dong LE

  • 1State Key Laboratory of Medical Genomics, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine; Institute of Health Sciences, Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences- Shanghai Jiao Tong University School of Medicine, Shanghai 200031,China;

Neuroscience Bulletin
|August 10, 2007
PubMed
Summary

Parkinson disease (PD) research benefits from the C. elegans model. Its conserved pathways and ease of genetic manipulation allow in vivo visualization of dopaminergic neurons, advancing PD molecular mechanism studies.

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Application of a C. elegans Dopamine Neuron Degeneration Assay for the Validation of Potential Parkinson's Disease Genes
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Last Updated: Jul 13, 2026

Quantifying Levels of Dopaminergic Neuron Morphological Alteration and Degeneration in Caenorhabditis elegans
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Published on: November 20, 2021

Assessing Gastrointestinal Motility in Caenorhabditis elegans RAC1/CED-10 Mutants as a Tool to Study Early Parkinson's Disease
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Assessing Gastrointestinal Motility in Caenorhabditis elegans RAC1/CED-10 Mutants as a Tool to Study Early Parkinson's Disease

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Application of a C. elegans Dopamine Neuron Degeneration Assay for the Validation of Potential Parkinson's Disease Genes
08:42

Application of a C. elegans Dopamine Neuron Degeneration Assay for the Validation of Potential Parkinson's Disease Genes

Published on: July 18, 2008

Area of Science:

  • Neuroscience
  • Genetics
  • Model Organism Research

Background:

  • Parkinson disease (PD) involves selective loss of dopaminergic neurons in the substantia nigra.
  • Mammalian models offer insights but face limitations due to nervous system complexity and in vivo visualization challenges.
  • Understanding PD molecular mechanisms requires advanced research models.

Purpose of the Study:

  • To highlight the utility of Caenorhabditis elegans (C. elegans) as a model organism for Parkinson disease research.
  • To emphasize the advantages of C. elegans in studying dopaminergic neuron morphology and PD pathogenesis.
  • To explore the potential of C. elegans for elucidating PD molecular mechanisms.

Main Methods:

  • Leveraging conserved genomic, biosynthetic, and metabolic pathways between C. elegans and mammals.
  • Utilizing C. elegans for in vivo observation of dopaminergic neuron morphology.
  • Employing genetic and transgenic manipulation techniques in C. elegans.

Main Results:

  • C. elegans exhibits conserved pathways relevant to Parkinson disease.
  • In vivo visualization of dopaminergic neurons is feasible and advantageous in C. elegans.
  • Genetic and transgenic manipulations are readily achievable in C. elegans.

Conclusions:

  • C. elegans serves as an excellent model organism for Parkinson disease research.
  • The model facilitates the study of dopaminergic neuron degeneration and PD molecular mechanisms.
  • Further research in C. elegans can significantly advance our understanding of Parkinson disease.